Year annual % growth 1983 31.087506118997425 1984 14.241672917261198 1985 -0.8890986436144743 1986 -5.33715019115381 1987 10.070367441274584 1988 9.018427477105533 1989 0.6090895127630205 1990 -4.723298928849047 1991 -4.877660541061275 1992 -7.010087511340359 1993 27.055427288485262 1994 11.562529150790951 1995 18.17510014292425 1996 6.20613256356728 1997 10.381142824311908 1998 0.8901246574472026 1999 13.014140721556444 2000 -2.228105748346394 2001 0.9612028397005332 2002 5.00351600303479 2003 -2.9104045935126237 2004 15.30245986077206 2005 7.715465590571881 2006 11.825483092205815 2007 5.089341824154928 2008 5.673044782291555 2009 17.50206204052543 2010 6.1099913930052026 2011 4.646488556824053 2012 -1.6917147901741458 2013 4.440984490652539 2014 12.779460556613458 2015 4.742301778105954 2016 7.000345480450505 2017 4.2788626259661555 2018 8.458387643550353 2019 5.568512692376899 2020 1.9517441924052008 2021 2.9594528258398043